Add -ftree-tail-merge to tail-merge testcases

2014-11-17  Tom de Vries  <tom@codesourcery.com>

	* gcc.dg/pr43864-2.c: Add -ftree-tail-merge to dg-options.
	* gcc.dg/pr43864-3.c: Same.
	* gcc.dg/pr43864-4.c: Same.
	* gcc.dg/pr43864.c: Same.
	* gcc.dg/pr50763.c: Same.
	* gcc.dg/pr51879-12.c: Same.
	* gcc.dg/pr51879-16.c: Same.
	* gcc.dg/pr51879-17.c: Same.
	* gcc.dg/pr51879-18.c: Same.
	* gcc.dg/pr51879-2.c: Same.
	* gcc.dg/pr51879-3.c: Same.
	* gcc.dg/pr51879-4.c: Same.
	* gcc.dg/pr51879-6.c: Same.
	* gcc.dg/pr51879-7.c: Same.
	* gcc.dg/pr51879.c: Same.

From-SVN: r217674

gcc/testsuite/ChangeLog

 2014-11-17  Tom de Vries  <tom@codesourcery.com>
 
+	* gcc.dg/pr43864-2.c: Add -ftree-tail-merge to dg-options.
+	* gcc.dg/pr43864-3.c: Same.
+	* gcc.dg/pr43864-4.c: Same.
+	* gcc.dg/pr43864.c: Same.
+	* gcc.dg/pr50763.c: Same.
+	* gcc.dg/pr51879-12.c: Same.
+	* gcc.dg/pr51879-16.c: Same.
+	* gcc.dg/pr51879-17.c: Same.
+	* gcc.dg/pr51879-18.c: Same.
+	* gcc.dg/pr51879-2.c: Same.
+	* gcc.dg/pr51879-3.c: Same.
+	* gcc.dg/pr51879-4.c: Same.
+	* gcc.dg/pr51879-6.c: Same.
+	* gcc.dg/pr51879-7.c: Same.
+	* gcc.dg/pr51879.c: Same.
+
+2014-11-17  Tom de Vries  <tom@codesourcery.com>
+
 	* gcc.dg/pr43864-2.c: Fix scan-tree-dump-times scan pattern.
 	* gcc.dg/pr43864-3.c: Same.
 	* gcc.dg/pr43864-4.c: Same.

gcc/testsuite/gcc.dg/pr43864-2.c

 /* { dg-do compile } */
-/* { dg-options "-O2 -fdump-tree-pre" } */
+/* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */
 
 int
 f (int c, int b, int d)

gcc/testsuite/gcc.dg/pr43864-3.c

 /* { dg-do compile } */
-/* { dg-options "-O2 -fdump-tree-pre" } */
+/* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */
 
 /* Commutative case.  */
 

gcc/testsuite/gcc.dg/pr43864-4.c

 /* { dg-do compile } */
-/* { dg-options "-O2 -fdump-tree-pre" } */
+/* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */
 
 /* Different stmt order.  */
 

gcc/testsuite/gcc.dg/pr43864.c

 /* { dg-do compile } */
-/* { dg-options "-O2 -fdump-tree-pre" } */
+/* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */
 
 extern void foo (char*, int);
 extern void mysprintf (char *, char *);

gcc/testsuite/gcc.dg/pr50763.c

 /* { dg-do compile } */
-/* { dg-options "-O2 -fno-tree-dominator-opts -fdump-tree-pre" } */
+/* { dg-options "-O2 -ftree-tail-merge -fno-tree-dominator-opts -fdump-tree-pre" } */
 
 int bar (int i);
 

gcc/testsuite/gcc.dg/pr51879-12.c

 /* { dg-do compile } */
-/* { dg-options "-O2 -fdump-tree-pre" } */
+/* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */
 
 __attribute__((pure)) int bar (int);
 __attribute__((pure)) int bar2 (int);

gcc/testsuite/gcc.dg/pr51879-16.c

 /* { dg-do compile } */
-/* { dg-options "-O2 -fdump-tree-pre" } */
+/* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */
 
 struct S {
   int i;

gcc/testsuite/gcc.dg/pr51879-17.c

 /* { dg-do compile } */
-/* { dg-options "-O2 -fdump-tree-pre" } */
+/* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */
 
 struct S {
   int i;

gcc/testsuite/gcc.dg/pr51879-18.c

 /* { dg-do compile } */
-/* { dg-options "-O2 -fdump-tree-pre -fno-tree-copy-prop -fno-tree-dominator-opts -fno-tree-copyrename" } */
+/* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre -fno-tree-copy-prop -fno-tree-dominator-opts -fno-tree-copyrename" } */
 
 extern int foo (void);
 

gcc/testsuite/gcc.dg/pr51879-2.c

 /* { dg-do compile } */
-/* { dg-options "-O2 -fdump-tree-pre" } */
+/* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */
 
 int bar (int);
 void baz (int);

gcc/testsuite/gcc.dg/pr51879-3.c

 /* { dg-do compile } */
-/* { dg-options "-O2 -fdump-tree-pre" } */
+/* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */
 
 int bar (int);
 void baz (int);

gcc/testsuite/gcc.dg/pr51879-4.c

 /* { dg-do compile } */
-/* { dg-options "-O2 -fdump-tree-pre" } */
+/* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */
 
 int bar (int);
 void baz (int);

gcc/testsuite/gcc.dg/pr51879-6.c

 /* { dg-do compile } */
-/* { dg-options "-O2 -fdump-tree-pre" } */
+/* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */
 
 
 int bar (int);

gcc/testsuite/gcc.dg/pr51879-7.c

 /* { dg-do compile } */
-/* { dg-options "-O2 -fdump-tree-pre" } */
+/* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */
 
 int z;
 

gcc/testsuite/gcc.dg/pr51879.c

 /* { dg-do compile } */
-/* { dg-options "-O2 -fdump-tree-pre" } */
+/* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */
 
 int bar (int);
 void baz (int);